Using COCc1c(C(=O)OC(C)C)ncc2[nH]c3ccc(N)cc3c12, CC(C)CN to produce COCc1c(C(=O)OC(C)C)ncc2[nH]c3ccc4nc(C(C)C)[nH]c4c3c12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.