Using NCC1CC1, CC(CN1CCCC1)N1c2ccccc2Sc2ccc(C(=O)Cl)cc21 to produce CC(CN1CCCC1)N1c2ccccc2Sc2ccc(C(=O)NCC3CC3)cc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.