Using CC(=O)O, COc1cc(N2CCc3nc(-c4ccc(Cl)cc4)sc3C2=O)ccc1OC1CNC1 to produce COc1cc(N2CCc3nc(-c4ccc(Cl)cc4)sc3C2=O)ccc1OC1CN(C)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.