Using CC(C)(C)OC(=O)N1CCC(CN2CCN(S(=O)(=O)c3ccc(Cn4ccnc4)cc3)CC2=O)CC1 to produce O=C1CN(S(=O)(=O)c2ccc(Cn3ccnc3)cc2)CCN1CC1CCNCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.