Using C1COCCN1, O=S(=O)(Nc1nccs1)c1ccc2c(Cl)nccc2c1 to produce O=S(=O)(Nc1nccs1)c1ccc2c(N3CCOCC3)nccc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.