Using COc1ccc(-c2nc3cc(OC)ccc3c(=O)n2-c2ccc(OCCCl)cc2)cc1 to produce O=c1c2ccc(O)cc2nc(-c2ccc(O)cc2)n1-c1ccc(OCCCl)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.