Using CC(=O)Nc1cc(-c2nc(-c3ccccc3Cl)c(C(=O)O)s2)ccn1, NCCO to produce CC(=O)Nc1cc(-c2nc(-c3ccccc3Cl)c(C(=O)NCCO)s2)ccn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.