Using NCc1cccc(-c2nc(=O)c3ccccc3s2)n1, CCOP(=O)(Cl)OCC to produce CCOP(=O)(NCc1cccc(-c2nc(=O)c3ccccc3s2)n1)OCC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.