Using CCOC(=O)c1cn(C2CC2)c2c(F)c(OC3CCN(C(=O)OC(C)(C)C)C3)c(F)c(N)c2c1=O to produce Nc1c(F)c(OC2CCNC2)c(F)c2c1c(=O)c(C(=O)O)cn2C1CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.