Using CC(C)(C)N, Cc1ccccc1NCc1ccc2ccccc2c1-c1cccc(C=O)n1 to produce Cc1ccccc1NCc1ccc2ccccc2c1-c1cccc(CNC(C)(C)C)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.