Using CC(C)(C)OC(=O)N1CCOCC(=O)C1, CNCc1ccccc1 to produce CN(Cc1ccccc1)C1COCCN(C(=O)OC(C)(C)C)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.