Using O=C(Nc1nc2cccc(-c3ccc(/C=C/c4cccnc4)cc3)n2n1)C1CC1 to produce O=C(Nc1nc2cccc(-c3ccc(CCc4ccccn4)cc3)n2n1)C1CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.