Using Nc1cnc2ccc(O)cc2c1, Clc1ccnc(Cl)n1 to produce Oc1ccc2ncc(Nc3ccnc(Nc4cnc5ccc(O)cc5c4)n3)cc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.