Using COCOCC(=O)CCl, CCOP(=O)(OCC)C(NC=S)C(=O)OCC(Cl)(Cl)Cl to produce COCOCC1=C(C(=O)OCC(Cl)(Cl)Cl)N=CSC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.