Using CN1CCNCC1, CC(C)(C)OC(=O)Nc1cccc(COS(C)(=O)=O)n1 to produce CN1CCN(Cc2cccc(NC(=O)OC(C)(C)C)n2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.