Using On1nnc2ccccc21, COC(=O)c1ccc(OCc2ccccc2)c(C(=O)O)c1 to produce COC(=O)c1ccc(OCc2ccccc2)c(C(N)=O)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.