Using c1ccc2c(c1)CCNC2, COc1cc2c(C(=O)O)cnc(CNC(=O)OC(C)(C)C)c2cc1OC to produce COc1cc2c(C(=O)N3CCc4ccccc4C3)cnc(CNC(=O)OC(C)(C)C)c2cc1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.