Using O=C(OCc1ccccc1)ON1C(=O)CCC1=O, CN(C)CCCN(C)CCC(C)(C)N to produce CN(C)CCCN(C)CCC(C)(C)NC(=O)OCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.