Using CCn1c2c(c3cc(S(=O)(=O)c4ccccc4)ccc31)CCN(Cc1ccccc1)CC2 to produce CCn1c2c(c3cc(S(=O)(=O)c4ccccc4)ccc31)CCNCC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.