Using O=C(c1ncc[nH]1)c1ncc[nH]1, CN1CCN(c2cncc(CC(=O)O)c2)CC1 to produce CN1CCN(c2cncc(CC(N)=O)c2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.