Using CC(C)(C)OC(=O)NCCN1CC2CN(Cc3ccccc3)CC(C1)O2 to produce CC(C)(C)OC(=O)NCCN1CC2CNCC(C1)O2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.