Using COC(=O)c1ccc(OCCc2ccccc2)cc1NC(=O)c1ccccc1 to produce O=C(Nc1cc(OCCc2ccccc2)ccc1C(=O)O)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.