Using CC(=O)O, CN(CCNCCc1ccc2c(c1)OCO2)c1nc(-n2ccnc2)ns1 to produce CN(CCc1ccc2c(c1)OCO2)CCN(C)c1nc(-n2ccnc2)ns1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.