Using Cc1[nH]c(-c2cccnc2)nc1C(=O)CN1CCN(c2ccccc2)CC1 to produce Cc1[nH]c(-c2cccnc2)nc1C(O)CN1CCN(c2ccccc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.