Using O=Cc1ccc(-c2nc3ccn4cnnc4c3cc2-c2ccccc2)cc1, NCc1ccc(O)cc1 to produce Oc1ccc(CNCc2ccc(-c3nc4ccn5cnnc5c4cc3-c3ccccc3)cc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.