Using COc1ccc(-c2ccc(CCC(=O)O)n2-c2ccc(C#N)c(Cl)c2)cc1, OO to produce COc1ccc(-c2ccc(CCC(=O)O)n2-c2ccc(C(N)=O)c(Cl)c2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.