Using CCO, O=C(O)c1[nH]c(=O)[nH]c(=O)c1Oc1ccccc1 to produce CCOC(=O)c1[nH]c(=O)[nH]c(=O)c1Oc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.