Using CCNCC, COC(=O)c1cc(N)n2nc(-c3ccc(C)o3)nc2c1 to produce CCN(CC)C(=O)c1cc(N)n2nc(-c3ccc(C)o3)nc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.