Using COC(=O)c1cc(CCc2cc(OC)ccc2OC)ccc1N to produce COC(=O)Nc1ccc(CCc2cc(OC)ccc2OC)cc1C(=O)OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.