Using CNC(=O)c1ccc(Oc2ccc3c(c2)CCNCC3)nc1, O=C1CCC1 to produce CNC(=O)c1ccc(Oc2ccc3c(c2)CCN(C2CCC2)CC3)nc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.