Using Cc1cccc2[s+]c3cc(N4CCN(C(=O)OC(C)(C)C)CC4)cc(C)c3nc12 to produce CCCCN(C)c1cc(C)c2nc3c(C)cc(N4CCN(C(=O)OC(C)(C)C)CC4)cc3[s+]c2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.