Using CC(=O)N(c1ccccc1)c1cc(CN(C)C(=O)OC(C)(C)C)nn1-c1ccccc1 to produce CNCc1cc(N(C(C)=O)c2ccccc2)n(-c2ccccc2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.