Using COC(=O)C(OC(C)(C)C)c1c(C)nc2c(c1-c1ccc(C)cc1)CN(CCc1ccccc1)CC2 to produce Cc1ccc(-c2c3c(nc(C)c2C(OC(C)(C)C)C(=O)O)CCN(CCc2ccccc2)C3)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.