Using O=S1(=O)Nc2ccccc2CN1CCCCl, OB(O)c1ccccc1 to produce O=S1(=O)N(CCCCl)Cc2ccccc2N1c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.