Using COc1cc2c(c(C)c1C)C(=O)CC2c1cncn1Cc1ccccc1 to produce COc1cc2c(c(C)c1C)C(=O)CC2c1c[nH]cn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.