Using Nc1nc(-c2ccco2)c(C(=O)C2CCOCC2)s1, CN(C)c1cccc(C(=O)O)c1 to produce CN(C)c1cccc(C(=O)Nc2nc(-c3ccco3)c(C(=O)C3CCOCC3)s2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.