Using CSc1ncc(-c2ccc(Oc3ccnc(Cl)c3)c(C)n2)c(=O)n1C, Cn1cc(B2OC(C)(C)C(C)(C)O2)cn1 to produce CSc1ncc(-c2ccc(Oc3ccnc(-c4cnn(C)c4)c3)c(C)n2)c(=O)n1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.