Using Cc1cc2c(cc1C)C(=O)C(CC(=O)O)CC2, C1CCNC1 to produce Cc1cc2c(cc1C)C(=O)C(CC(=O)N1CCCC1)CC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.