Using Cn1c(-c2ccc(S(=O)(=O)N(CCO)CCO)cc2)ccc(C(=O)O)c1=O, O=C1CCC(=O)N1O to produce Cn1c(-c2ccc(S(=O)(=O)N(CCO)CCO)cc2)ccc(C(=O)ON2C(=O)CCC2=O)c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.