Using Nc1cccc(O)c1, Clc1nnc(Cc2ccncc2)c2ccccc12 to produce Oc1cccc(Nc2nnc(Cc3ccncc3)c3ccccc23)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.