Using O=C(c1cccnc1)c1c(Cc2ccc(Cl)cc2Cl)noc1-c1ccccc1Cl to produce OC(c1cccnc1)c1c(Cc2ccc(Cl)cc2Cl)noc1-c1ccccc1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.