You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Can you give the molecular formula of the molecule 17-(cyclopropylmethyl)-3-hydroxy-4-methoxy-19-phenyl-18-oxa-17,19-diazapentacyclo[7.5.3.210,14.01,10.02,7]nonadeca-2(7),3,5,11-tetraen-13-one ?
user
C27H28N2O4
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