Using CCCO, Cc1cc2c(cc1C)C(CC(=O)O)N(c1cccnc1)C2=O to produce CCCOC(=O)CC1c2cc(C)c(C)cc2C(=O)N1c1cccnc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.