Using COC(=O)C(C)Oc1ccc(NC(=O)CCCCCOCc2ccccc2)cc1 to produce COC(=O)C(C)Oc1ccc(NC(=O)CCCCCO)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.