Using CSc1ncc(C=O)c(NC2CCCC2)n1, COC(=O)Cc1cc(-c2nnc(CC(C)C)o2)ccc1C to produce CSc1ncc2cc(-c3cc(-c4nnc(CC(C)C)o4)ccc3C)c(=O)n(C3CCCC3)c2n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.