Using CCOC(=O)CCCCN(CCc1ccccc1OC)Cc1ccc(C(=O)OC)cc1 to produce COC(=O)CCCCN(CCc1ccccc1O)Cc1ccc(C(=O)OC)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.