Using COC(=O)CC(O)CNc1c(N)cccc1NC(=S)Nc1ccc(Cl)cc1Cl to produce COC(=O)CC(O)Cn1c(Nc2ccc(Cl)cc2Cl)nc2cccc(N)c21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.