2128
One can extend the Grothendieck site of affine schemes to a higher categorical site of derived affine schemes , by replacing the commutative rings with an infinity category of differential graded commutative algebras , or of simplicial commutative rings or a similar category with an appropriate variant of a Grothendieck topology .
 person: Grothendieck; person: Grothendieck
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: Grothendieck; person: Grothendieck