Using CCOC(=O)/C(C)=C/c1nc(NCc2ccc3c(c2)OCO3)c2cc(Cl)ccc2n1 to produce C/C(=C\c1nc(NCc2ccc3c(c2)OCO3)c2cc(Cl)ccc2n1)C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.