Using CC(C)(C)OC(=O)n1cccc1-c1ccc2c(c1)NC(=O)C2 to produce CC(C)(C)OC(=O)N1CCCC1c1ccc2c(c1)NC(=O)C2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.