Using Clc1ccc2c(c1)CC(N1CCNCC1)c1ccccc1S2, CN1CCN(CCCl)C1=O to produce CN1CCN(CCN2CCN(C3Cc4cc(Cl)ccc4Sc4ccccc43)CC2)C1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.