Using CCOC(=O)c1cc(-c2cncc(C)c2)ccc1-c1cnccn1 to produce Cc1cncc(-c2ccc(-c3cnccn3)c(C(=O)O)c2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.