Using CCCC(CC(=O)OC)c1ccc(O)cc1, CO/N=C(\COc1ccc(CO)cc1)c1ccccc1 to produce CCCC(CC(=O)OC)c1ccc(OCc2ccc(OC/C(=N\OC)c3ccccc3)cc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.