Using COC(=O)c1cn(-c2cc(C)nc3ccccc23)c2ncccc12 to produce Cc1cc(-n2cc(C(=O)O)c3cccnc32)c2ccccc2n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.