Using CCO, O=C1CN(c2ccc(/C=C/CCN3C(=O)c4ccccc4C3=O)cc2OCc2ccccc2)S(=O)(=O)N1 to produce O=C1CN(c2ccc(CCCCNC(=O)c3ccccc3C(=O)O)cc2O)S(=O)(=O)N1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.