Using Cn1c2c(c3cc(-n4ccc(OCc5ccccc5)cc4=O)ccc31)CCN(C(=O)OC(C)(C)C)C2 to produce Cn1c2c(c3cc(-n4ccc(OCc5ccccc5)cc4=O)ccc31)CCNC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.