Using CC(C)(C)OC(=O)N1CC2CN(Cc3ccccc3)CC(C1)C2(C)O to produce CC(C)(C)OC(=O)N1CC2CNCC(C1)C2(C)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.