Using Cc1c(-c2cccnc2)n(CCCCCC=CC(=O)O)c2ccccc12 to produce Cc1c(-c2cccnc2)n(CCCCCCCC(=O)O)c2ccccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.