Using CC(C)(C)OC(=O)NCCCNc1c(NC(=O)CCl)cnc2cccnc12 to produce CC(C)(C)OC(=O)NCCCn1c(CCl)nc2cnc3cccnc3c21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.