Using CC(C)(C)OC(=O)Nc1nc(CN2CCOCC2)c(C(=O)NCc2ccccc2)s1 to produce Nc1nc(CN2CCOCC2)c(C(=O)NCc2ccccc2)s1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.