Using O=Cc1c(Cl)cccc1Cl, Nc1nc(NCC2CCCN2)nc2nc(-c3ccco3)nn12 to produce Nc1nc(NCC2CCCN2Cc2c(Cl)cccc2Cl)nc2nc(-c3ccco3)nn12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.