Using CC(C)(C)OC(=O)Nc1cccc(CC2CN(Cc3ccccc3)CC2O)n1 to produce CC(C)(C)OC(=O)Nc1cccc(CC2CNCC2O)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.