Using COc1cc(CCl)ccc1OCc1nc(-c2ccco2)oc1C, CCOC(=O)c1cn(C)nc1O to produce CCOC(=O)c1cn(C)nc1OCc1ccc(OCc2nc(-c3ccco3)oc2C)c(OC)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.