Using COc1ccc(C2(c3ccc(-c4cnc(N)nc4)cc3)C=CC(=O)CC2)cc1OC1CCCC1 to produce COc1ccc(C2(c3ccc(-c4cnc(N)nc4)cc3)CCC(=O)CC2)cc1OC1CCCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.