Using Cn1c(Nc2nc3ccc(Cl)cc3s2)nc2cc(C(=O)O)ccc21, NCCOCCO to produce Cn1c(Nc2nc3ccc(Cl)cc3s2)nc2cc(C(=O)NCCOCCO)ccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.