Using CCOC(=O)c1ccccn1, CC(=O)c1ccc2c(c1)OCCO2 to produce O=C(CC(=O)c1ccccn1)c1ccc2c(c1)OCCO2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.