Using COc1ccc(CCN)cc1, CSc1nc(O)c(NC(=O)c2ccco2)c(O)n1 to produce COc1ccc(CCNc2nc(O)c(NC(=O)c3ccco3)c(O)n2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.