Using CCC(C)(C)Cc1cnc(C(Cc2ccc(-c3ccc(F)cn3)cc2)N(C)C(=O)OCc2ccccc2)n1C to produce CCC(C)(C)Cc1cnc(C(Cc2ccc(-c3ccc(F)cn3)cc2)NC)n1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.