Using Cn1ccc(S(=O)(=O)N(Cc2ccc(Cl)cc2)c2cccc(C(=O)O)c2)n1, NCCO to produce Cn1ccc(S(=O)(=O)N(Cc2ccc(Cl)cc2)c2cccc(C(=O)NCCO)c2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.